Diamond Tester Pen High Accuracy Jewelry Test Tool Thermal Conductivity Meter

Specification: Diamond Tester Dimensions：6.1" x 1.61" x 0.28" Testing Capability：Gemstones of various sizes(Do Not test any metal) Color: Black Auto Off: N/A Initial warm-up: about 20 sec. Indicator: Audio and LED lamps Power: 1 x 9V battery Package Included: 1 x Diamond Tester 1 x Test Tray 1 x Protected leather bag 1 x 9V battery 1 x user manual.

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Specification: Diamond Tester Dimensions：6.1 x 1.61 x 0.28 Testing Capability：Gemstones of various sizes(Do Not test any metal) Color: Black Auto

Diamond Tester Pen High Accuracy Jewelry Test Tool Thermal Conductivity Meter

Diamond Tester Pen High Accuracy Jewelry Test Tool Thermal Conductivity Meter US

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Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+200g/0.01g Mini Jewelry Scale+60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter Diamond Tester+200g/0.01gDigital Gram Scale+60X Loupe